class GroupSelectParameterWidget(GenericParameterWidget):
"""Widget class for Group Select Parameter."""
def __init__(self, parameter, parent=None):
"""Constructor.
:param parameter: A GroupSelectParameter object.
:type parameter: GroupSelectParameter
"""
QWidget.__init__(self, parent)
self._parameter = parameter
# Store spin box
self.spin_boxes = {}
# Create elements
# Label (name)
self.label = QLabel(self._parameter.name)
# Layouts
self.main_layout = QVBoxLayout()
self.input_layout = QVBoxLayout()
# _inner_input_layout must be filled with widget in the child class
self.inner_input_layout = QVBoxLayout()
self.radio_button_layout = QGridLayout()
# Create radio button group
self.input_button_group = QButtonGroup()
# List widget
self.list_widget = QListWidget()
self.list_widget.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.list_widget.setDragDropMode(QAbstractItemView.DragDrop)
self.list_widget.setDefaultDropAction(Qt.MoveAction)
self.list_widget.setEnabled(False)
self.list_widget.setSizePolicy(QSizePolicy.Maximum,
QSizePolicy.Expanding)
for i, key in enumerate(self._parameter.options):
value = self._parameter.options[key]
radio_button = QRadioButton(value.get('label'))
self.radio_button_layout.addWidget(radio_button, i, 0)
if value.get('type') == SINGLE_DYNAMIC:
double_spin_box = QDoubleSpinBox()
self.radio_button_layout.addWidget(double_spin_box, i, 1)
double_spin_box.setValue(value.get('value', 0))
double_spin_box.setMinimum(
value.get('constraint', {}).get('min', 0))
double_spin_box.setMaximum(
value.get('constraint', {}).get('max', 1))
double_spin_box.setSingleStep(
value.get('constraint', {}).get('step', 0.01))
step = double_spin_box.singleStep()
if step > 1:
precision = 0
else:
precision = len(str(step).split('.')[1])
if precision > 3:
precision = 3
double_spin_box.setDecimals(precision)
self.spin_boxes[key] = double_spin_box
# Enable spin box depends on the selected option
if self._parameter.selected == key:
double_spin_box.setEnabled(True)
else:
double_spin_box.setEnabled(False)
elif value.get('type') == STATIC:
static_value = value.get('value', 0)
if static_value is not None:
self.radio_button_layout.addWidget(
QLabel(str(static_value)), i, 1)
elif value.get('type') == MULTIPLE_DYNAMIC:
selected_fields = value.get('value', [])
if self._parameter.selected == key:
self.list_widget.setEnabled(True)
else:
self.list_widget.setEnabled(False)
self.input_button_group.addButton(radio_button, i)
if self._parameter.selected == key:
radio_button.setChecked(True)
# Help text
self.help_label = QLabel(self._parameter.help_text)
self.help_label.setSizePolicy(QSizePolicy.Maximum,
QSizePolicy.Expanding)
self.help_label.setWordWrap(True)
self.help_label.setAlignment(Qt.AlignTop)
self.inner_input_layout.addLayout(self.radio_button_layout)
self.inner_input_layout.addWidget(self.list_widget)
# Put elements into layouts
self.input_layout.addWidget(self.label)
self.input_layout.addLayout(self.inner_input_layout)
self.help_layout = QVBoxLayout()
self.help_layout.addWidget(self.help_label)
self.main_layout.addLayout(self.input_layout)
self.main_layout.addLayout(self.help_layout)
self.setLayout(self.main_layout)
self.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Expanding)
# Update list widget
self.update_list_widget()
# Connect signal
self.input_button_group.buttonClicked.connect(
self.radio_buttons_clicked)
def get_parameter(self):
"""Obtain list parameter object from the current widget state.
:returns: A DefaultValueParameter from the current state of widget
:rtype: DefaultValueParameter
"""
# Set value for each key
for key, value in self._parameter.options.items():
if value.get('type') == STATIC:
continue
elif value.get('type') == SINGLE_DYNAMIC:
new_value = self.spin_boxes.get(key).value()
self._parameter.set_value_for_key(key, new_value)
elif value.get('type') == MULTIPLE_DYNAMIC:
# Need to iterate through all items
items = []
for index in xrange(self.list_widget.count()):
items.append(self.list_widget.item(index))
new_value = [i.text() for i in items]
self._parameter.set_value_for_key(key, new_value)
# Get selected radio button
radio_button_checked_id = self.input_button_group.checkedId()
# No radio button checked, then default value = None
if radio_button_checked_id == -1:
self._parameter.selected = None
else:
self._parameter.selected = self._parameter.options.keys(
)[radio_button_checked_id]
return self._parameter
def update_list_widget(self):
"""Update list widget when radio button is clicked."""
# Get selected radio button
radio_button_checked_id = self.input_button_group.checkedId()
# No radio button checked, then default value = None
if radio_button_checked_id > -1:
selected_dict = self._parameter.options.values(
)[radio_button_checked_id]
if selected_dict.get('type') == MULTIPLE_DYNAMIC:
for field in selected_dict.get('value'):
# Update list widget
field_item = QListWidgetItem(self.list_widget)
field_item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable
| Qt.ItemIsDragEnabled)
field_item.setData(Qt.UserRole, field)
field_item.setText(field)
self.list_widget.addItem(field_item)
def radio_buttons_clicked(self):
"""Handler when selected radio button changed."""
# Disable all spin boxes
for spin_box in self.spin_boxes.values():
spin_box.setEnabled(False)
# Disable list widget
self.list_widget.setEnabled(False)
# Get selected radio button
radio_button_checked_id = self.input_button_group.checkedId()
if radio_button_checked_id > -1:
selected_value = self._parameter.options.values(
)[radio_button_checked_id]
if selected_value.get('type') == MULTIPLE_DYNAMIC:
# Enable list widget
self.list_widget.setEnabled(True)
elif selected_value.get('type') == SINGLE_DYNAMIC:
selected_key = self._parameter.options.keys(
)[radio_button_checked_id]
self.spin_boxes[selected_key].setEnabled(True)
def select_radio_button(self, key):
"""Helper to select a radio button with key.
:param key: The key of the radio button.
:type key: str
"""
key_index = self._parameter.options.keys().index(key)
radio_button = self.input_button_group.button(key_index)
radio_button.click()
class GroupSelectParameterWidget(GenericParameterWidget):
"""Widget class for Group Select Parameter."""
def __init__(self, parameter, parent=None):
"""Constructor.
:param parameter: A GroupSelectParameter object.
:type parameter: GroupSelectParameter
"""
QWidget.__init__(self, parent)
self._parameter = parameter
# Store spin box
self.spin_boxes = {}
# Create elements
# Label (name)
self.label = QLabel(self._parameter.name)
# Layouts
self.main_layout = QVBoxLayout()
self.input_layout = QVBoxLayout()
# _inner_input_layout must be filled with widget in the child class
self.inner_input_layout = QVBoxLayout()
self.radio_button_layout = QGridLayout()
# Create radio button group
self.input_button_group = QButtonGroup()
# List widget
self.list_widget = QListWidget()
self.list_widget.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.list_widget.setDragDropMode(QAbstractItemView.DragDrop)
self.list_widget.setDefaultDropAction(Qt.MoveAction)
self.list_widget.setEnabled(False)
self.list_widget.setSizePolicy(
QSizePolicy.Maximum, QSizePolicy.Expanding)
for i, key in enumerate(self._parameter.options):
value = self._parameter.options[key]
radio_button = QRadioButton(value.get('label'))
self.radio_button_layout.addWidget(radio_button, i, 0)
if value.get('type') == SINGLE_DYNAMIC:
double_spin_box = QDoubleSpinBox()
self.radio_button_layout.addWidget(double_spin_box, i, 1)
double_spin_box.setValue(value.get('value', 0))
double_spin_box.setMinimum(
value.get('constraint', {}).get('min', 0))
double_spin_box.setMaximum(value.get(
'constraint', {}).get('max', 1))
double_spin_box.setSingleStep(
value.get('constraint', {}).get('step', 0.01))
step = double_spin_box.singleStep()
if step > 1:
precision = 0
else:
precision = len(str(step).split('.')[1])
if precision > 3:
precision = 3
double_spin_box.setDecimals(precision)
self.spin_boxes[key] = double_spin_box
# Enable spin box depends on the selected option
if self._parameter.selected == key:
double_spin_box.setEnabled(True)
else:
double_spin_box.setEnabled(False)
elif value.get('type') == STATIC:
static_value = value.get('value', 0)
if static_value is not None:
self.radio_button_layout.addWidget(
QLabel(str(static_value)), i, 1)
elif value.get('type') == MULTIPLE_DYNAMIC:
selected_fields = value.get('value', [])
if self._parameter.selected == key:
self.list_widget.setEnabled(True)
else:
self.list_widget.setEnabled(False)
self.input_button_group.addButton(radio_button, i)
if self._parameter.selected == key:
radio_button.setChecked(True)
# Help text
self.help_label = QLabel(self._parameter.help_text)
self.help_label.setSizePolicy(
QSizePolicy.Maximum, QSizePolicy.Expanding)
self.help_label.setWordWrap(True)
self.help_label.setAlignment(Qt.AlignTop)
self.inner_input_layout.addLayout(self.radio_button_layout)
self.inner_input_layout.addWidget(self.list_widget)
# Put elements into layouts
self.input_layout.addWidget(self.label)
self.input_layout.addLayout(self.inner_input_layout)
self.help_layout = QVBoxLayout()
self.help_layout.addWidget(self.help_label)
self.main_layout.addLayout(self.input_layout)
self.main_layout.addLayout(self.help_layout)
self.setLayout(self.main_layout)
self.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Expanding)
# Update list widget
self.update_list_widget()
# Connect signal
self.input_button_group.buttonClicked.connect(
self.radio_buttons_clicked)
def get_parameter(self):
"""Obtain list parameter object from the current widget state.
:returns: A DefaultValueParameter from the current state of widget
:rtype: DefaultValueParameter
"""
# Set value for each key
for key, value in self._parameter.options.items():
if value.get('type') == STATIC:
continue
elif value.get('type') == SINGLE_DYNAMIC:
new_value = self.spin_boxes.get(key).value()
self._parameter.set_value_for_key(key, new_value)
elif value.get('type') == MULTIPLE_DYNAMIC:
# Need to iterate through all items
items = []
for index in xrange(self.list_widget.count()):
items.append(self.list_widget.item(index))
new_value = [i.text() for i in items]
self._parameter.set_value_for_key(key, new_value)
# Get selected radio button
radio_button_checked_id = self.input_button_group.checkedId()
# No radio button checked, then default value = None
if radio_button_checked_id == -1:
self._parameter.selected = None
else:
self._parameter.selected = self._parameter.options.keys()[
radio_button_checked_id]
return self._parameter
def update_list_widget(self):
"""Update list widget when radio button is clicked."""
# Get selected radio button
radio_button_checked_id = self.input_button_group.checkedId()
# No radio button checked, then default value = None
if radio_button_checked_id > -1:
selected_dict = self._parameter.options.values()[
radio_button_checked_id]
if selected_dict.get('type') == MULTIPLE_DYNAMIC:
for field in selected_dict.get('value'):
# Update list widget
field_item = QListWidgetItem(self.list_widget)
field_item.setFlags(
Qt.ItemIsEnabled |
Qt.ItemIsSelectable |
Qt.ItemIsDragEnabled)
field_item.setData(Qt.UserRole, field)
field_item.setText(field)
self.list_widget.addItem(field_item)
def radio_buttons_clicked(self):
"""Handler when selected radio button changed."""
# Disable all spin boxes
for spin_box in self.spin_boxes.values():
spin_box.setEnabled(False)
# Disable list widget
self.list_widget.setEnabled(False)
# Get selected radio button
radio_button_checked_id = self.input_button_group.checkedId()
if radio_button_checked_id > -1:
selected_value = self._parameter.options.values()[
radio_button_checked_id]
if selected_value.get('type') == MULTIPLE_DYNAMIC:
# Enable list widget
self.list_widget.setEnabled(True)
elif selected_value.get('type') == SINGLE_DYNAMIC:
selected_key = self._parameter.options.keys()[
radio_button_checked_id]
self.spin_boxes[selected_key].setEnabled(True)
def select_radio_button(self, key):
"""Helper to select a radio button with key.
:param key: The key of the radio button.
:type key: str
"""
key_index = self._parameter.options.keys().index(key)
radio_button = self.input_button_group.button(key_index)
radio_button.click()
class ListBox(QWidget):
def __init__(self, parent):
QWidget.__init__(self, parent)
while not isinstance(parent, QDialog):
parent = parent.parent()
self.setObjectName("ListBox" + str(len(parent.findChildren(ListBox))))
self.hLayoutBoxPanel = QHBoxLayout(self)
self.hLayoutBoxPanel.setSpacing(0)
self.hLayoutBoxPanel.setContentsMargins(3, 3, 3, 3)
self.hLayoutBoxPanel.setObjectName(("hLayoutBoxPanel"))
self.frameBoxPanel = QFrame(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.frameBoxPanel.sizePolicy().hasHeightForWidth())
self.frameBoxPanel.setSizePolicy(sizePolicy)
self.frameBoxPanel.setFrameShape(QFrame.NoFrame)
self.frameBoxPanel.setFrameShadow(QFrame.Raised)
self.frameBoxPanel.setObjectName(("frameBoxPanel"))
self.hLayoutframeBoxPanel = QHBoxLayout(self.frameBoxPanel)
self.hLayoutframeBoxPanel.setSpacing(0)
self.hLayoutframeBoxPanel.setMargin(0)
self.hLayoutframeBoxPanel.setObjectName(("hLayoutframeBoxPanel"))
self.captionLabel = QLabel(self.frameBoxPanel)
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.captionLabel.sizePolicy().hasHeightForWidth())
self.captionLabel.setSizePolicy(sizePolicy)
self.captionLabel.setMinimumSize(QSize(200, 0))
self.captionLabel.setMaximumSize(QSize(200, 16777215))
font = QFont()
font.setBold(False)
font.setWeight(50)
self.captionLabel.setFont(font)
self.captionLabel.setObjectName(("captionLabel"))
self.hLayoutframeBoxPanel.addWidget(self.captionLabel)
self.listBox = QListWidget(self.frameBoxPanel)
self.listBox.setEnabled(True)
font = QFont()
font.setBold(False)
font.setWeight(50)
self.listBox.setFont(font)
self.listBox.setObjectName(("listBox"))
# self.listBox.setText("0.0")
self.hLayoutframeBoxPanel.addWidget(self.listBox)
self.imageButton = QToolButton(self.frameBoxPanel)
self.imageButton.setText((""))
icon = QIcon()
icon.addPixmap(QPixmap(("Resource/convex_hull.png")), QIcon.Normal,
QIcon.Off)
self.imageButton.setIcon(icon)
self.imageButton.setObjectName(("imageButton"))
self.imageButton.setVisible(False)
self.hLayoutframeBoxPanel.addWidget(self.imageButton)
self.hLayoutBoxPanel.addWidget(self.frameBoxPanel)
self.listBox.currentRowChanged.connect(self.listBoxChanged)
self.imageButton.clicked.connect(self.imageButtonClicked)
self.captionUnits = ""
self.hasObject = False
self.objectList = []
self.captionLabel.setVisible(False)
def get_Count(self):
return self.listBox.count()
Count = property(get_Count, None, None, None)
def method_3(self, string_0):
return self.listBox.row(self.listBox.findItems(string_0)[0])
def method_11(self, string_0):
if (self.IsEmpty):
return "%s%s\t" % (string_0, self.Caption)
return "%s%s\t%s %s" % (string_0, self.Caption, self.Value,
self.CaptionUnits)
def listBoxChanged(self, index):
i = index
self.emit(SIGNAL("Event_0"), self)
def IndexOf(self, item):
if isinstance(item, str):
return self.listBox.row(self.listBox.findItems(item)[0])
else:
return self.listBox.row(
self.listBox.findItems(item.ToString())[0])
def Contains(self, item):
compStr = None
if isinstance(item, str):
compStr = item
elif isinstance(item, float) or isinstance(item, int):
compStr = str(item)
else:
compStr = item.ToString()
for i in range(self.listBox.count()):
comboItemstr = self.listBox.item(i).text()
if compStr == comboItemstr:
return True
return False
def Clear(self):
self.listBox.clear()
self.objectList = []
self.hasObject = False
def Add(self, item):
if not isinstance(item, str) and not isinstance(item, QString):
self.listBox.addItem(item.ToString())
self.objectList.append(item)
self.hasObject = True
return
self.listBox.addItem(item)
self.hasObject = False
return self.listBox.count() - 1
def Insert(self, index, item):
if not isinstance(item, str):
self.listBox.insertItem(index, item.ToString())
self.objectList.insert(index, item)
self.hasObject = True
return
self.listBox.insertItem(index, item)
self.hasObject = False
def imageButtonClicked(self):
self.emit(SIGNAL("Event_3"), self)
def get_Caption(self):
caption = self.captionLabel.text()
findIndex = caption.indexOf("(")
if findIndex > 0:
val = caption.left(findIndex)
return val
return caption
def set_Caption(self, captionStr):
if captionStr == "":
self.captionLabel.setText("")
self.LabelWidth = 0
return
if self.CaptionUnits != "" and self.CaptionUnits != None:
self.captionLabel.setText(captionStr + "(" +
str(self.CaptionUnits) + ")" + ":")
else:
self.captionLabel.setText(captionStr + ":")
Caption = property(get_Caption, set_Caption, None, None)
def get_CaptionUnits(self):
return self.captionUnits
def set_CaptionUnits(self, captionUnits):
self.captionUnits = captionUnits
CaptionUnits = property(get_CaptionUnits, set_CaptionUnits, None, None)
def set_ButtonVisible(self, bool):
self.imageButton.setVisible(bool)
ButtonVisible = property(None, set_ButtonVisible, None, None)
# def get_Value(self):
# return self.listBox.currentIndex()
#
# def set_Value(self, value):
# try:
# self.listBox.setCurrentIndex(value)
# except:
# self.textBox.setText("")
# Value = property(get_Value, set_Value, None, None)
# def get_IsEmpty(self):
# return self.listBox.currentText() == "" or self.listBox.currentIndex() == -1
# IsEmpty = property(get_IsEmpty, None, None, None)
# def get_ReadOnly(self):
# return self.listBox.isReadOnly()
# # def set_ReadOnly(self, bool):
# # self.listBox.setR.setReadOnly(bool)
# # ReadOnly = property(get_ReadOnly, set_ReadOnly, None, None)
def set_LabelWidth(self, width):
self.captionLabel.setMinimumSize(QSize(width, 0))
self.captionLabel.setMaximumSize(QSize(width, 16777215))
LabelWidth = property(None, set_LabelWidth, None, None)
def set_Width(self, width):
self.listBox.setMinimumSize(QSize(width, 0))
self.listBox.setMaximumSize(QSize(width, 16777215))
Width = property(None, set_Width, None, None)
def set_Button(self, imageName):
if imageName == None or imageName == "":
self.imageButton.setVisible(False)
return
icon = QIcon()
icon.addPixmap(QPixmap(("Resource/" + imageName)), QIcon.Normal,
QIcon.Off)
self.imageButton.setIcon(icon)
self.imageButton.setVisible(True)
Button = property(None, set_Button, None, None)
def get_SelectedIndex(self):
try:
return self.listBox.currentRow()
except:
return 0
def set_SelectedIndex(self, index):
if self.listBox.count() == 0:
return
if index > self.listBox.count() - 1:
self.listBox.setCurrentRow(0)
else:
self.listBox.setCurrentRow(index)
SelectedIndex = property(get_SelectedIndex, set_SelectedIndex, None, None)
# def get_Value(self):
# return self.listBox.currentIndex()
# def set_Value(self, valueStr):
# if self.listBox.count() == 0:
# return
# self.listBox.setCurrentIndex(self.listBox.findText(valueStr))
# Value = property(get_Value, set_Value, None, None)
def get_Items(self):
if self.hasObject:
return self.objectList
itemList = []
if self.listBox.count() > 0:
for i in range(self.listBox.count()):
itemList.append(self.listBox.item(i).text())
return itemList
def set_AddItems(self, strList):
if len(strList) != 0 and not isinstance(
strList[0], str) and not isinstance(strList[0], QString):
for obj in strList:
self.listBox.addItem(obj.ToString())
self.objectList.append(obj)
self.hasObject = True
return
self.listBox.addItems(strList)
Items = property(get_Items, set_AddItems, None, None)
def get_Enabled(self):
return self.listBox.isEnabled()
def set_Enabled(self, bool):
self.listBox.setEnabled(bool)
Enabled = property(get_Enabled, set_Enabled, None, None)
def get_Visible(self):
return self.isVisible()
def set_Visible(self, bool):
self.setVisible(bool)
Visible = property(get_Visible, set_Visible, None, None)
def get_SelectedItem(self):
if self.listBox.count() == 0:
return None
if self.hasObject:
return self.objectList[self.SelectedIndex]
return self.listBox.currentItem().text()
# def set_SelectedItem(self, val):
# index = self.listBox.findText(val)
# self.listBox.setCurrentIndex(index)
SelectedItem = property(get_SelectedItem, None, None, None)
class FiltersDialog(Window):
def __init__(self, base):
Window.__init__(self, base, i18n.get('filters'))
self.setFixedSize(280, 360)
self.expression = QLineEdit()
self.expression.returnPressed.connect(self.__new_filter)
self.new_button = QPushButton(i18n.get('add_filter'))
self.new_button.setToolTip(i18n.get('create_a_new_filter'))
self.new_button.clicked.connect(self.__new_filter)
expression_box = QHBoxLayout()
expression_box.addWidget(self.expression)
expression_box.addWidget(self.new_button)
self.list_ = QListWidget()
self.list_.clicked.connect(self.__filter_clicked)
self.delete_button = QPushButton(i18n.get('delete'))
self.delete_button.setEnabled(False)
self.delete_button.setToolTip(i18n.get('delete_selected_filter'))
self.delete_button.clicked.connect(self.__delete_filter)
self.clear_button = QPushButton(i18n.get('delete_all'))
self.clear_button.setEnabled(False)
self.clear_button.setToolTip(i18n.get('delete_all_filters'))
self.clear_button.clicked.connect(self.__delete_all)
button_box = QHBoxLayout()
button_box.addStretch(1)
button_box.addWidget(self.clear_button)
button_box.addWidget(self.delete_button)
layout = QVBoxLayout()
layout.addLayout(expression_box)
layout.addWidget(self.list_, 1)
layout.addLayout(button_box)
layout.setSpacing(5)
layout.setContentsMargins(5, 5, 5, 5)
self.setLayout(layout)
self.__update()
self.show()
def __update(self):
row = 0
self.expression.setText('')
self.list_.clear()
for expression in self.base.core.list_filters():
self.list_.addItem(expression)
row += 1
self.__enable(True)
self.delete_button.setEnabled(False)
if row == 0:
self.clear_button.setEnabled(False)
self.expression.setFocus()
def __filter_clicked(self, point):
self.delete_button.setEnabled(True)
self.clear_button.setEnabled(True)
def __new_filter(self):
expression = str(self.expression.text())
self.list_.addItem(expression)
self.__save_filters()
def __delete_filter(self):
self.list_.takeItem(self.list_.currentRow())
self.__save_filters()
def __delete_all(self):
self.__enable(False)
message = i18n.get('clear_filters_confirm')
confirmation = self.base.show_confirmation_message(i18n.get('confirm_delete'),
message)
if not confirmation:
self.__enable(True)
return
self.list_.clear()
self.__save_filters()
def __enable(self, value):
self.list_.setEnabled(value)
self.delete_button.setEnabled(value)
self.clear_button.setEnabled(value)
def __save_filters(self):
filters = []
for i in range(self.list_.count()):
filters.append(str(self.list_.item(i).text()))
self.base.save_filters(filters)
self.__update()
class FiltersDialog(Window):
def __init__(self, base):
Window.__init__(self, base, i18n.get('filters'))
self.setFixedSize(280, 360)
self.expression = QLineEdit()
self.expression.returnPressed.connect(self.__new_filter)
self.new_button = QPushButton(i18n.get('add_filter'))
self.new_button.setToolTip(i18n.get('create_a_new_filter'))
self.new_button.clicked.connect(self.__new_filter)
expression_box = QHBoxLayout()
expression_box.addWidget(self.expression)
expression_box.addWidget(self.new_button)
self.list_ = QListWidget()
self.list_.clicked.connect(self.__filter_clicked)
self.delete_button = QPushButton(i18n.get('delete'))
self.delete_button.setEnabled(False)
self.delete_button.setToolTip(i18n.get('delete_selected_filter'))
self.delete_button.clicked.connect(self.__delete_filter)
self.clear_button = QPushButton(i18n.get('delete_all'))
self.clear_button.setEnabled(False)
self.clear_button.setToolTip(i18n.get('delete_all_filters'))
self.clear_button.clicked.connect(self.__delete_all)
button_box = QHBoxLayout()
button_box.addStretch(1)
button_box.addWidget(self.clear_button)
button_box.addWidget(self.delete_button)
layout = QVBoxLayout()
layout.addLayout(expression_box)
layout.addWidget(self.list_, 1)
layout.addLayout(button_box)
layout.setSpacing(5)
layout.setContentsMargins(5, 5, 5, 5)
self.setLayout(layout)
self.__update()
self.show()
def __update(self):
row = 0
self.expression.setText('')
self.list_.clear()
for expression in self.base.core.list_filters():
self.list_.addItem(expression)
row += 1
self.__enable(True)
self.delete_button.setEnabled(False)
if row == 0:
self.clear_button.setEnabled(False)
self.expression.setFocus()
def __filter_clicked(self, point):
self.delete_button.setEnabled(True)
self.clear_button.setEnabled(True)
def __new_filter(self):
expression = str(self.expression.text())
self.list_.addItem(expression)
self.__save_filters()
def __delete_filter(self):
self.list_.takeItem(self.list_.currentRow())
self.__save_filters()
def __delete_all(self):
self.__enable(False)
message = i18n.get('clear_filters_confirm')
confirmation = self.base.show_confirmation_message(
i18n.get('confirm_delete'), message)
if not confirmation:
self.__enable(True)
return
self.list_.clear()
self.__save_filters()
def __enable(self, value):
self.list_.setEnabled(value)
self.delete_button.setEnabled(value)
self.clear_button.setEnabled(value)
def __save_filters(self):
filters = []
for i in range(self.list_.count()):
filters.append(str(self.list_.item(i).text()))
self.base.save_filters(filters)
self.__update()
